131903352 has 48 divisors (see below), whose sum is σ = 408273840. Its totient is φ = 37686528.

The previous prime is 131903333. The next prime is 131903353. The reversal of 131903352 is 253309131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131903353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130353 + ... + 131360.

It is an arithmetic number, because the mean of its divisors is an integer number (8505705).

Almost surely, 2^131903352 is an apocalyptic number.

131903352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131903352 is an abundant number, since it is smaller than the sum of its proper divisors (276370488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131903352 is a wasteful number, since it uses less digits than its factorization.

131903352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261732 (or 261725 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 131903352 is about 11484.9184585699. The cubic root of 131903352 is about 509.0400396683.

The spelling of 131903352 in words is "one hundred thirty-one million, nine hundred three thousand, three hundred fifty-two".